[TCPIP]
[reactos.git] / reactos / lib / drivers / lwip / src / include / lwip / err.h
1 /*
2 * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without modification,
6 * are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice,
9 * this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright notice,
11 * this list of conditions and the following disclaimer in the documentation
12 * and/or other materials provided with the distribution.
13 * 3. The name of the author may not be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
19 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
21 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
24 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
25 * OF SUCH DAMAGE.
26 *
27 * This file is part of the lwIP TCP/IP stack.
28 *
29 * Author: Adam Dunkels <adam@sics.se>
30 *
31 */
32 #ifndef __LWIP_ERR_H__
33 #define __LWIP_ERR_H__
34
35 #include "lwip/opt.h"
36 #include "lwip/arch.h"
37
38 #ifdef __cplusplus
39 extern "C" {
40 #endif
41
42 /** Define LWIP_ERR_T in cc.h if you want to use
43 * a different type for your platform (must be signed). */
44 #ifdef LWIP_ERR_T
45 typedef LWIP_ERR_T err_t;
46 #else /* LWIP_ERR_T */
47 typedef s8_t err_t;
48 #endif /* LWIP_ERR_T*/
49
50 /* Definitions for error constants. */
51
52 #define ERR_OK 0 /* No error, everything OK. */
53 #define ERR_MEM -1 /* Out of memory error. */
54 #define ERR_BUF -2 /* Buffer error. */
55 #define ERR_TIMEOUT -3 /* Timeout. */
56 #define ERR_RTE -4 /* Routing problem. */
57 #define ERR_INPROGRESS -5 /* Operation in progress */
58 #define ERR_VAL -6 /* Illegal value. */
59 #define ERR_WOULDBLOCK -7 /* Operation would block. */
60 #define ERR_USE -8 /* Address in use. */
61 #define ERR_ISCONN -9 /* Already connected. */
62
63 #define ERR_IS_FATAL(e) ((e) < ERR_ISCONN)
64
65 #define ERR_ABRT -10 /* Connection aborted. */
66 #define ERR_RST -11 /* Connection reset. */
67 #define ERR_CLSD -12 /* Connection closed. */
68 #define ERR_CONN -13 /* Not connected. */
69
70 #define ERR_ARG -14 /* Illegal argument. */
71
72 #define ERR_IF -15 /* Low-level netif error */
73
74
75 #ifdef LWIP_DEBUG
76 extern const char *lwip_strerr(err_t err);
77 #else
78 #define lwip_strerr(x) ""
79 #endif /* LWIP_DEBUG */
80
81 #ifdef __cplusplus
82 }
83 #endif
84
85 #endif /* __LWIP_ERR_H__ */